Senior Linux Infrastructure Consultant (RHEL, HA, Kubernetes)

Contract - 1 Year (Yearly renewal)
Completion Bonus: 1 month

Key Requirements

• 3–5 years of hands-on experience in RHEL (Red Hat Enterprise Linux) administration
• Experience in High Availability (HA) clusters (e.g. Pacemaker/Corosync), including failover testing
• Strong troubleshooting skills in:

1. OS performance (CPU, memory, I/O)
2. Networking (DNS, routing)
3. Storage (LVM, multipath)
4. System services & logs

• Hands-on experience with Kubernetes (K8s):

1. kubectl, pods, deployments, services, ingress
2. Troubleshooting (networking, DNS, scheduling)

• Knowledge of Linux networking fundamentals (TCP/IP, firewall, TLS/certificates)
• Experience in backup/restore and disaster recovery (DR) support

Key Responsibilities

1. RHEL Administration

• Build, configure, patch, and maintain RHEL 9.x servers
• Perform performance tuning, storage and filesystem management
• Monitor system health and perform root cause analysis (RCA)

2. High Availability (HA)

• Implement and support HA clusters (Pacemaker/Corosync or equivalent)
• Manage failover policies, resource groups, and cluster operations
• Conduct failover testing and support integrations (DNS, storage, etc.)

3. Backup & Recovery

• Manage backup solutions and perform restore validation
• Support disaster recovery (DR) drills and maintain recovery documentation

4. Kubernetes (VMware Tanzu)

• Support Kubernetes workloads (cluster health, node readiness)
• Troubleshoot pods, networking, and storage issues
• Deploy and manage applications using kubectl
• Configure ingress and service exposure

5. Documentation & Governance

• Maintain SOPs, runbooks, and technical documentation
• Participate in change management and patch cycles
• Ensure compliance with security and system standards

Nice to Have

• Experience with VMware Tanzu
• Exposure to automation or scripting